Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Gentiananae Thorne ex Reveal (1992) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
         Order Rubiales Dumort. (1829) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
           Family Rubiaceae Juss. (1789), nom. cons. - coffee family
             Subfamily Antirheoideae see Subfamily Cinchonoideae
               01 Genus Retiniphyllum Bonpl., in Humb. & Bonpl. (1806)
               02 Genus Fadogia Schweinfurth (1868)
               03 Genus Hutchinsonia W. Robyns (1928)
               04 Genus Vangueria Juss. (1789)
               05 Genus Guettarda L. (1753)
               06 Genus Chiococca P.Browne (1756)
               07 Genus Alberta E.H.F. Meyer (1838)
               08 Genus Cephalanthus L. (1753)
               09 Genus Craterispermum Bentham, in Hook. (1849)
               10 Genus Knoxia L. (1753)